Cheap flights from Ireland to Belfast from €52

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Belfast

Recent return flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:35 - 18:55DUB-BFS
10h 20m1 stop
Multiple Airlines Logo
07:50 - 14:55BFS-DUB
7h 05m1 stop
€109Multiple Airlines
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Multiple Airlines Logo
15:10 - 22:35DUB-BFS
7h 25m1 stop
Multiple Airlines Logo
10:35 - 17:20BFS-DUB
6h 45m1 stop
€115Multiple Airlines
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Multiple Airlines Logo
22:00 - 11:55DUB-BFS
13h 55m1 stop
Multiple Airlines Logo
05:45 - 09:50BFS-DUB
4h 05m1 stop
€116Multiple Airlines
Find Deal
Fri, 21 Nov - Sun, 23 Nov
Multiple Airlines Logo
21:00 - 08:20ORK-BFS
11h 20m1 stop
Multiple Airlines Logo
06:40 - 20:35BFS-ORK
13h 55m1 stop
€118Multiple Airlines
Find Deal
Mon, 10 Nov - Mon, 17 Nov
KLM Logo
13:25 - 21:00DUB-BHD
7h 35m1 stop
KLM Logo
06:30 - 16:20BHD-DUB
9h 50m1 stop
€198KLM
Find Deal
Fri, 7 Nov - Sat, 15 Nov
Aer Lingus Logo
07:10 - 16:20DUB-BHD
9h 10m1 stop
Aer Lingus Logo
06:55 - 14:50BHD-DUB
7h 55m1 stop
€199Aer Lingus
Find Deal
Fri, 7 Nov - Sat, 15 Nov
British Airways Logo
17:55 - 09:10DUB-BHD
15h 15m1 stop
British Airways Logo
06:35 - 19:50BHD-DUB
13h 15m1 stop
€207British Airways
Find Deal
Sat, 8 Nov - Sat, 15 Nov
British Airways Logo
17:55 - 09:10DUB-BHD
15h 15m1 stop
British Airways Logo
06:35 - 19:50BHD-DUB
13h 15m1 stop
€208British Airways
Find Deal
Sat, 8 Nov - Sat, 15 Nov
Aer Lingus Logo
06:30 - 09:45DUB-BHD
3h 15m1 stop
Aer Lingus Logo
11:05 - 14:50BHD-DUB
3h 45m1 stop
€217Aer Lingus
Find Deal
Fri, 7 Nov - Sat, 15 Nov
KLM Logo
08:50 - 21:00DUB-BHD
12h 10m1 stop
KLM Logo
06:30 - 16:20BHD-DUB
9h 50m1 stop
€225KLM
Find Deal
Sat, 8 Nov - Sat, 15 Nov

KLM flights from Ireland to Belfast

Our best KLM deals on Ireland to Belfast flight tickets
KLM
7 Nov
DUB13:25Dublin
7h 35m
1 stop
BHD21:00Belfast City
15 Nov
BHD06:30Belfast City
9h 50m
1 stop
DUB16:20Dublin
KLM
8 Nov
DUB08:50Dublin
12h 10m
1 stop
BHD21:00Belfast City
15 Nov
BHD06:30Belfast City
9h 50m
1 stop
DUB16:20Dublin
KLM
29 Nov
ORK11:15Cork
5h 35m
1 stop
BHD16:50Belfast City
6 Dec
BHD17:20Belfast City
6h 05m
1 stop
ORK23:25Cork

Aer Lingus flights from Ireland to Belfast

Our best Aer Lingus deals on Ireland to Belfast flight tickets
Aer Lingus
7 Nov
DUB07:10Dublin
9h 10m
1 stop
BHD16:20Belfast City
15 Nov
BHD06:55Belfast City
7h 55m
1 stop
DUB14:50Dublin
Aer Lingus
7 Nov
DUB06:30Dublin
3h 15m
1 stop
BHD09:45Belfast City
15 Nov
BHD11:05Belfast City
3h 45m
1 stop
DUB14:50Dublin

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 13 October 2025.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 10/11

08:35-18:55

1 stop10h 20m

Belfast Intl

Mon 17/11

07:50-14:55

1 stop7h 05m

€109

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 25/11

15:10-22:35

1 stop7h 25m

Belfast Intl

Tue 2/12

10:35-17:20

1 stop6h 45m

€115

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 21/11

22:00-11:55

1 stop13h 55m

Belfast Intl

Sun 23/11

05:45-09:50

1 stop4h 05m

€116

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 10/11

21:00-08:20

1 stop11h 20m

Belfast Intl

Mon 17/11

06:40-20:35

1 stop13h 55m

€118

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Fri 7/11

13:25-21:00

1 stop7h 35m

Belfast City

Sat 15/11

06:30-16:20

1 stop9h 50m

€198

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Fri 7/11

07:10-16:20

1 stop9h 10m

Belfast City

Sat 15/11

06:55-14:50

1 stop7h 55m

€199

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 8/11

17:55-09:10

1 stop15h 15m

Belfast City

Sat 15/11

06:35-19:50

1 stop13h 15m

€207

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 8/11

17:55-09:10

1 stop15h 15m

Belfast City

Sat 15/11

06:35-19:50

1 stop13h 15m

€208

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Fri 7/11

06:30-09:45

1 stop3h 15m

Belfast City

Sat 15/11

11:05-14:50

1 stop3h 45m

€217

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 8/11

08:50-21:00

1 stop12h 10m

Belfast City

Sat 15/11

06:30-16:20

1 stop9h 50m

€225

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Ireland to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ireland to Belfast?

Aer Lingus, Ryanair, and British Airways are the most popular carriers operating from Ireland to Belfast

Cheap Ireland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast

Direct flights

None
There are no direct flights from Ireland to Belfast. There are no popular flight routes from Ireland to Belfast.
  • When did momondo last update prices for flights from Ireland to Belfast?

    Prices for flights from Ireland to Belfast are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ireland to Belfast?

  • How old do you have to be to fly from Ireland to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ireland to Belfast

Compare and see reviews for airlines that fly from Ireland to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €261Free CancellationRating
6.7
7,449 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Belfast . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Belfast?

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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1 adult
Wed 12/11
Wed 19/11

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast